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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF1S callsign genealogy

Currently held by BALLANTE, PATRICK F

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KF1S's current licensee, walking backwards.

  1. AC0PIexpired· E
    Ingersoll, Philip FCOgranted 2014-03-15cancelled 2026-03-17
  2. KD0TMTactive· T
    THOMPSON, TRACEY MKSgranted 2020-01-24
  3. KD0WNHcancelled· T
    THOMPSON, TRACEY MKSgranted 2013-08-27cancelled 2020-01-24

Successor callsigns

Callsigns held now by people who previously held KF1S.

  1. K6HLactive· E
    BALLANTE, PATRICK FCAgranted 2017-01-30

All historical holders

Every license row we've seen with the callsign KF1S, oldest first.

  • BALLANTE, PATRICK F CA
    2004-01-29 → cancelled 2007-04-10
  • Lippke, David L SD
    2019-05-10 active
← Back to KF1S License history →